A refined portrait by El Greco, depicting a nobleman in traditional sixteenth-century Spanish attire with a distinctive ruff collar.

This portrait, attributed to the Cretan-born painter Domenikos Theotokopoulos, known as El Greco, captures an unidentified nobleman associated with the Casa de Leiva. Painted during the artist's period in Toledo, the work reflects the austere aesthetic prevalent among the Spanish aristocracy of the late sixteenth century. The sitter is depicted against a dark, neutral background, which directs the viewer's attention to his facial features and the precise rendering of his attire.

El Greco employs a restrained palette, dominated by the deep black of the doublet and the stark white of the ruff collar. The brushwork is controlled, allowing for a realistic depiction of the textures in the fabric and the subtle modelling of the face. The sitter's expression is composed, conveying a sense of gravity and social standing. The inclusion of an inscription in the upper portion of the canvas provides historical context, identifying the subject's connection to the Leiva family and offering a date of 1580.

Unlike the elongated, expressive figures found in his later religious compositions, this portrait adheres to the conventions of sixteenth-century courtly painting. The composition is balanced, with the subject positioned in a three-quarter view, his hand resting on his hip in a gesture of confidence. The lighting is focused, creating a soft contrast that defines the contours of the face and the folds of the lace. This piece offers a clear view into the portraiture traditions of the Spanish Golden Age, where the focus remained on the dignity and status of the individual. The work is currently held in the collection of the Montreal Museum of Fine Arts, where it is studied for its technical execution and its representation of the social hierarchy in Toledo during the reign of Philip II.